From: nu774 <honeycomb77@gmail.com>
Date: Wed, 30 Oct 2013 05:27:28 +0000 (+0900)
Subject: use tell() to obtain data chunk offset
X-Git-Tag: v0.4.2~1
X-Git-Url: http://git.ieval.ro/?a=commitdiff_plain;h=3de0e22dcc176fb7f34be00d3406235870ae7db4;p=fdkaac.git

use tell() to obtain data chunk offset
---

diff --git a/src/caf_reader.c b/src/caf_reader.c
index ede919a..40162b4 100644
--- a/src/caf_reader.c
+++ b/src/caf_reader.c
@@ -193,12 +193,10 @@ int caf_parse(caf_reader_t *reader, int64_t *data_length)
         } else if (fcc == M4AF_FOURCC('d','a','t','a')) {
             TRY_IO(pcm_skip(&reader->io, 4)); /* mEditCount */
             *data_length = (chunk_size == ~0ULL) ? chunk_size : chunk_size - 4;
-            reader->data_offset += 12;
+            reader->data_offset = pcm_tell(&reader->io);
             break;
         } else
             TRY_IO(pcm_skip(&reader->io, chunk_size));
-
-        reader->data_offset += (chunk_size + 8);
     }
     ENSURE(reader->sample_format.channels_per_frame);
     ENSURE(fcc == M4AF_FOURCC('d','a','t','a'));
diff --git a/src/main.c b/src/main.c
index c3a9cca..ee07e35 100644
--- a/src/main.c
+++ b/src/main.c
@@ -675,7 +675,7 @@ int parse_raw_spec(const char *spec, pcm_sample_description_t *desc)
 static pcm_io_vtbl_t pcm_io_vtbl = {
     read_callback, seek_callback, tell_callback
 };
-static pcm_io_vtbl_t pcm_io_vtbl_noseek = { read_callback, 0, 0 };
+static pcm_io_vtbl_t pcm_io_vtbl_noseek = { read_callback, 0, tell_callback };
 
 static
 pcm_reader_t *open_input(aacenc_param_ex_t *params)
diff --git a/src/wav_reader.c b/src/wav_reader.c
index e69cba7..bb0e93e 100644
--- a/src/wav_reader.c
+++ b/src/wav_reader.c
@@ -93,7 +93,6 @@ int riff_ds64(wav_reader_t *reader, int64_t *length)
     TRY_IO(pcm_scanl(&reader->io, "QQQL",
                      &riff_size, length, &sample_count, &table_size) != 4);
     TRY_IO(pcm_skip(&reader->io, (chunk_size - 27) & ~1));
-    reader->data_offset += (chunk_size + 9) & ~1;
 FAIL:
     return -1;
 }
@@ -163,7 +162,6 @@ int wav_parse(wav_reader_t *reader, int64_t *data_length)
            container == RIFF_FOURCC('R','F','6','4'));
     TRY_IO(pcm_read32le(&reader->io, &fcc));
     ENSURE(fcc == RIFF_FOURCC('W','A','V','E'));
-    reader->data_offset = 12;
 
     if (container == RIFF_FOURCC('R','F','6','4'))
         riff_ds64(reader, data_length);
@@ -174,12 +172,11 @@ int wav_parse(wav_reader_t *reader, int64_t *data_length)
         } else if (fcc == RIFF_FOURCC('d','a','t','a')) {
             if (container == RIFF_FOURCC('R','I','F','F'))
                 *data_length = chunk_size;
-            reader->data_offset += 8;
+            reader->data_offset = pcm_tell(&reader->io);
             break;
         } else {
             TRY_IO(pcm_skip(&reader->io, (chunk_size + 1) & ~1));
         }
-        reader->data_offset += (chunk_size + 9) & ~1;
     }
     if (fcc == RIFF_FOURCC('d','a','t','a'))
         return 0;